| Lebanon High School | |
| Streetaddress: | 1916 Drake Road |
| County: | (Warren County) |
| Zipcode: | 45036 |
| Country: | USA |
| Coordinates: | 39.4642°N -84.1814°W |
| Superintendent: | Isaac Seevers |
| Principal1: | Robert A. Reynolds |
| Asst. Principal2: | Casey Wood, Heidi Calvert |
| Asst. Principal3: | Maggie Holtkamp |
| Fightsong: | Onward Lebanon |
| Accreditation: | North Central Association of Colleges and Schools[1] |
| Rival: | Springboro |
| Nickname: | Warriors |
| Colors: | Maroon and White |
| Yearbook: | Trilobite |
| Newspaper: | Team TV |
| Ratio: | 23.64 |
| Teaching Staff: | 70.00 (FTE) |
| Opened: | 2004 (current building) |
| Enrollment: | 1,628 (2023-24)[2] |
| Feeders: | Lebanon Junior High School |
Lebanon High School is a public high school in Lebanon, Ohio. It is the only high school in the Lebanon City School District. Their mascot is the Warrior and the school logo is the letter "L" with a spear. The primary school colors are maroon and white, although throughout its history secondary colors have included black and maize.
The high school moved into its current building on 1916 Drake Road in 2004. From 1969 until 2004 it was housed in what became Lebanon Junior High School on 160 Miller Road. Prior to 1969, Lebanon High School called home what is now Berry Intermediate School on Oakwood Street.